Brummrohr (n)
(with) definite article: dasFrom "brummen" [to buzz]; Mentioned by Kuhač as a general term for Berde.
Kuhač, Franjo Š. [Šaver]: Prilog za poviest glasbe južnoslovjenske: Gajde [Contribution to the history of South Slavic music: Bagpipes]. In: Rad jugoslavenske akademije znanosti i umjetnosti, knjiga L (Zagreb, 1879), p.93 (➺ prdalica).